TY - JOUR AN - 4 AU - Makuuchi,H. AU - Machimura,T. AU - Sou,Y. TI - Examination of esophageal superficial cancer by magnifying endoscopy [in Japanese with English abstract]. JO - Endosc Dig PY - 1991 VL - 3 SP - 412-421 M2 - 412 ER -